| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 99 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nb5 g5 15. Qxg5 Ke7 16. Nxd4 exd4 17. e5 Qb6 18. Rc4 Rhe8 19. Ne2 Kd8 20. Rxd4 h6 21. Qxf6+ Qxf6 22. exf6 Kc7 23. O-O Rad8 24. Nf4 Bc6 25. Rxd8 Rxd8 26. Re1 Rd4 27. Re7+ Kd8 28. b5 Be8 29. g3 Rd7 30. Re5 Rd6 31. Nd5 Bd7 32. Kg2 Be6 33. Be4 b6 34. Kf3 Bxd5 35. Rxd5 Kc7 36. Rf5 Kd7 37. Bd5 Ke8 38. Kg4 Rd8 39. Kh5 Kf8 40. Kxh6 Rd7 41. Kh7 Ke8 42. Bc6 Kd8 43. Bxd7 a5 44. bxa6 Kc7 45. Be8 Kc8 46. Bxf7 Kd7 47. a7 Kd6 48. a8=Q b5 49. Qb7 b4 50. Rd5# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 71 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nf3 Rc8 15. Nxd4 exd4 16. Ne2 Rxc1+ 17. Nxc1 Ng4 18. Qg3 O-O 19. Ne2 Qf6 20. h3 Nh6 21. Qc7 Qf5 22. exf5 Bxf5 23. Bxf5 Nxf5 24. O-O Re8 25. Nf4 g6 26. Qxb7 Re7 27. Qa8+ Kg7 28. g4 Nh4 29. Qd5 f6 30. Ne6+ Rxe6 31. Qxe6 g5 32. f4 Ng6 33. Qd7+ Kh6 34. fxg5+ Kxg5 35. Qxh7 Ne7 36. Qh5# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson in 135 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nf3 Rc8 15. Nxd4 exd4 16. Ne2 Rxc1+ 17. Nxc1 Ng4 18. Qg3 O-O 19. Ne2 Be6 20. h3 Nh6 21. Qe5 Qc8 22. Qxd4 Rd8 23. Qe3 Qd7 24. Nf4 Qd4 25. Qxd4 Rxd4 26. Kd2 Bc8 27. Ke3 Rd6 28. Rc1 Rd8 29. Rc7 a6 30. Nd5 Be6 31. Rxb7 Nf5+ 32. Kf4 Nh4 33. g4 g5+ 34. Kg3 Bxd5 35. exd5 Rxd5 36. Bc4 Rd4 37. Bxa6 Rd1 38. f4 Rg1+ 39. Kf2 Rg2+ 40. Ke3 Rg3+ 41. Ke4 Rxa3 42. Bc4 gxf4 43. Bxf7+ Kf8 44. Bc4 Rxh3 45. Kxf4 Rc3 46. Bd5 Ng6+ 47. Ke4 Ne7 48. Rb8+ Kg7 49. b5 Rg3 50. Rb7 Kf8 51. Be6 Rg1 52. Rb8+ Kg7 53. Ke5 Ng6+ 54. Kd6 Rd1+ 55. Kc7 Nf4 56. Bf5 Nd5+ 57. Kb7 Ne3 58. Be6 Kf6 59. Re8 Rd6 60. b6 Rd3 61. Kc7 Rc3+ 62. Kd6 Nxg4 63. Rf8+ Kg7 64. b7 Rd3+ 65. Kc5 Rg3 66. b8=Q Nh6 67. Qxg3+ Kxf8 68. Qd6+ |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 111 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nf3 Rc8 15. Nxd4 exd4 16. Ne2 Rxc1+ 17. Nxc1 Ng4 18. Qxd8+ Kxd8 19. Nb3 Re8 20. Nxd4 f5 21. f3 fxe4 22. fxe4 Rf8 23. h3 Ne5 24. Ke2 Nxd3 25. Kxd3 Rf2 26. Rg1 Ra2 27. e5 Ke7 28. Ke4 Rxa3 29. Rc1 b6 30. Rc2 Ra4 31. Rb2 Ra1 32. Rc2 Ra4 33. Rb2 a6 34. Kd5 a5 35. e6 Be8 36. b5 Bg6 37. Rf2 h5 38. g3 Ra3 39. Nc6+ Ke8 40. e7 Bf7+ 41. Kd6 Ra2 42. Rxa2 Bxa2 43. Nb8 Bc4 44. Na6 g6 45. Nc7+ Kf7 46. e8=Q+ Kg7 47. Qe5+ Kh6 48. Qf4+ g5 49. Qxc4 Kg6 50. Qd4 g4 51. hxg4 a4 52. Qe4+ Kh6 53. Ke7 Kg7 54. Ne6+ Kg8 55. Qd4 Kh7 56. Qg7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 91 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. Nf3 Ng4 14. Qxd8+ Rxd8 15. O-O Bc6 16. Bb5 Rc8 17. Bxc6+ Rxc6 18. Nd1 Bd6 19. Rxc6 bxc6 20. h3 Nf6 21. Ne3 Bc7 22. Nc4 Nxe4 23. Nfxe5 Bxe5 24. Nxe5 a6 25. Re1 f6 26. Nc4 f5 27. f3 Kd7 28. fxe4 Rf8 29. e5 Ke6 30. Rd1 Ke7 31. Kf2 h5 32. Rd6 Rc8 33. Na5 c5 34. Rxa6 f4 35. Nc6+ Ke8 36. e6 g5 37. Kf3 c4 38. Ke4 Kf8 39. Kf5 Re8 40. e7+ Kf7 41. Ra7 Rc8 42. Nd8+ Ke8 43. Ne6 Rc7 44. Rxc7 h4 45. Kf6 c3 46. Ng7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 69 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nf3 Rc8 15. Nxd4 exd4 16. Ne2 Rxc1+ 17. Nxc1 Qc7 18. O-O h6 19. f4 Qc3 20. e5 Ng4 21. e6 Ne3 22. exd7+ Kxd7 23. Bb5+ Kd6 24. Qh5 f6 25. Ne2 Nc2 26. Nxc3 Rd8 27. Qc5+ Ke6 28. f5+ Kf7 29. Qc7+ Kg8 30. Qxd8+ Kh7 31. Be8 g5 32. Qe7+ Kg8 33. Qf7+ Kh8 34. Qf8+ Kh7 35. Bg6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 119 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nf3 Rc8 15. Nxd4 exd4 16. Ne2 Rxc1+ 17. Nxc1 Ng4 18. Qg3 O-O 19. Nb3 Be6 20. Nc5 Qb8 21. Qxb8 Rxb8 22. Ke2 Ne5 23. Rd1 Bc8 24. Bb5 b6 25. Na6 Bxa6 26. Bxa6 Rd8 27. f4 Ng6 28. g3 Kf8 29. Bc4 h5 30. h4 f6 31. Rd3 Rd6 32. a4 Rd8 33. a5 bxa5 34. bxa5 Ne7 35. Rd1 g6 36. Kf3 Kg7 37. a6 Kh6 38. Ke2 Rd7 39. Kd3 Rd8 40. Rb1 f5 41. e5 Nc6 42. Rb7 Na5 43. e6 Re8 44. Bd5 Nc6 45. Bxc6 Rxe6 46. Bb5 Re3+ 47. Kxd4 Rxg3 48. Rxa7 Rg4 49. Re7 Rxf4+ 50. Ke5 g5 51. hxg5+ Kxg5 52. Rg7+ Kh6 53. Kxf4 Kxg7 54. a7 Kf6 55. a8=Q Kg6 56. Qg8+ Kf6 57. Qf8+ Ke6 58. Qxf5+ Ke7 59. Ke5 Kd8 60. Qd7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 135 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. Nge2 Ng4 14. Qxd8+ Rxd8 15. O-O Bc6 16. Bb5 Rd2 17. Bxc6+ bxc6 18. b4 Bb6 19. h3 Nf6 20. Ng3 h5 21. Rcd1 Rc2 22. Na4 c5 23. bxc5 Bxc5 24. Nxc5 Rxc5 25. Rc1 Rxc1 26. Rxc1 Kd7 27. f3 g6 28. Kf2 Rb8 29. Rc2 Rb3 30. Rc5 Rxa3 31. Rxe5 a5 32. Ne2 a4 33. Rc5 Ra2 34. e5 Ne8 35. Ke3 a3 36. Ra5 Nc7 37. Nc3 Rxg2 38. Rxa3 Rh2 39. Ne4 Ke6 40. Ra7 Rc2 41. f4 Nd5+ 42. Kf3 Rc7 43. Ra6+ Ke7 44. Nd6 f6 45. f5 g5 46. Ne4 Kf7 47. Rd6 fxe5 48. Nxg5+ Ke7 49. Rxd5 Rc6 50. Ne4 Rb6 51. Rxe5+ Kf8 52. Kf4 Rb2 53. f6 h4 54. Rh5 Kg8 55. Rxh4 Rb4 56. Rg4+ Kf7 57. h4 Rb1 58. h5 Rf1+ 59. Kg5 Ra1 60. Nd6+ Ke6 61. f7 Ra6 62. Re4+ Kd5 63. f8=Q Rb6 64. Qg8+ Kc6 65. Qe6 Rb1 66. Rc4+ Kb6 67. Qe3+ Ka5 68. Qa7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson in 87 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. Nge2 Ng4 14. Qxd8+ Rxd8 15. O-O Bc6 16. Bb5 Bxb5 17. Nxb5 b6 18. b4 Bxf2+ 19. Rxf2 Nxf2 20. Kxf2 a5 21. bxa5 bxa5 22. Nc7+ Ke7 23. Nd5+ Kd6 24. Ne3 Ke6 25. Rc6+ Kd7 26. Rc5 Ke6 27. Nc4 f6 28. Rxa5 Ra8 29. Rb5 Rab8 30. a4 Rhc8 31. Ne3 h5 32. Kf3 Rd8 33. Nd5 g6 34. Nec3 f5 35. Rxb8 Rxb8 36. h3 Rb2 37. a5 Rd2 38. a6 fxe4+ 39. Ke3 Rc2 40. a7 g5 41. a8=Q h4 42. Qe8+ Kd6 43. Qe7+ Kc6 44. Qe6+ |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 139 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nb5 g5 15. Qxg5 Bxf2+ 16. Kf1 Kf8 17. Qxe5 Bxb5 18. Bxb5 Be3 19. Re1 Bf2 20. Rb1 Bd4 21. Qf5 h5 22. Nf3 Ng4 23. Qd7 Bb6 24. Qxb7 Ne3+ 25. Ke2 Rb8 26. Qd7 Qxd7 27. Bxd7 Nxg2 28. Ne5 Nf4+ 29. Kf3 Ng6 30. Nxg6+ fxg6 31. Kg2 Kg7 32. Rhf1 Rbd8 33. Rbd1 Rhf8 34. Rxf8 Rxf8 35. Bc6 Rf2+ 36. Kg3 Ra2 37. Rd7+ Kh6 38. a4 Ra3+ 39. Kf4 Rh3 40. e5 Rh4+ 41. Kg3 Rc4 42. b5 h4+ 43. Kf3 Rc3+ 44. Ke4 Rc4+ 45. Kd3 Rxa4 46. e6 Ra3+ 47. Kc4 Ra4+ 48. Kb3 Ra1 49. e7 Re1 50. Rb7 Bg1 51. h3 Kg5 52. e8=Q Rxe8 53. Bxe8 Kh6 54. Kc4 Bb6 55. Rd7 g5 56. Rd6+ Kg7 57. Bh5 Kh7 58. Kd5 Be3 59. Bf3 Kg7 60. Ke4 Bc5 61. Rd5 Bb6 62. Rxg5+ Kf6 63. Rd5 Ba5 64. Rd6+ Kg5 65. Rd7 Bb6 66. Ke5 Be3 67. Bd5 Kg6 68. Be4+ Kh5 69. Kf5 Bd4 70. Rh7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 131 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nf3 Rc8 15. Nxd4 exd4 16. Ne2 Rxc1+ 17. Nxc1 Ng4 18. Qxd8+ Kxd8 19. Nb3 f5 20. Nc5 b6 21. Nxd7 Kxd7 22. Be2 Rc8 23. Bxg4 fxg4 24. Kd2 Rc3 25. Rd1 Rxa3 26. Ke2 Ra2+ 27. Ke1 Ke6 28. Rxd4 Ke5 29. Rd7 Kxe4 30. Re7+ Kd3 31. Rd7+ Kc4 32. Rxg7 h5 33. Rh7 Kd3 34. Rd7+ Kc3 35. b5 Kc4 36. Rg7 Ra1+ 37. Ke2 Rh1 38. h3 gxh3 39. gxh3 Rxh3 40. Rxa7 Kxb5 41. f4 Rc3 42. f5 Rc2+ 43. Ke3 Rc3+ 44. Kf4 Rc4+ 45. Kg5 Rc5 46. Rh7 Kc6 47. Kg6 b5 48. f6 Kd6 49. f7 Rc8 50. Rxh5 b4 51. Rb5 Rd8 52. Rxb4 Rh8 53. Kg7 Ra8 54. Rb5 Kc6 55. Rf5 Rc8 56. f8=Q Rxf8 57. Kxf8 Kd6 58. Kf7 Kd7 59. Rf6 Kd8 60. Rd6+ Kc7 61. Ke7 Kc8 62. Rd7 Kb8 63. Kd8 Ka8 64. Kc7 Ka7 65. Rd6 Ka8 66. Ra6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson in 117 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. Nge2 Ng4 14. Qxd8+ Rxd8 15. O-O Bc6 16. Bb5 Bxb5 17. Nxb5 b6 18. b4 Bxf2+ 19. Rxf2 Nxf2 20. Kxf2 a5 21. Rc6 axb4 22. axb4 Rb8 23. Nd6+ Ke7 24. Nc4 Rhc8 25. Rxc8 Rxc8 26. Nxe5 f6 27. Nd3 Rc2 28. Kf3 Rd2 29. Ndf4 Kf7 30. Nd5 Rd3+ 31. Kf2 Rb3 32. Nd4 Rb2+ 33. Kf3 Rd2 34. Nb5 Rd3+ 35. Ke2 Rb3 36. h3 Rb2+ 37. Kf3 Ke6 38. Kf4 Rxg2 39. Nd4+ Kf7 40. Nxb6 g5+ 41. Kf3 Rh2 42. Kg3 Rd2 43. Nf5 h5 44. Nd5 Ke6 45. Nde3 Rd3 46. b5 Ke5 47. Kf3 Rb3 48. b6 Ra3 49. Ke2 Ra4 50. Kd3 Ra3+ 51. Kc4 Ra2 52. Kc5 Ra5+ 53. Kc6 Ra7 54. bxa7 Kxe4 55. a8=Q h4 56. Qa4+ Kf3 57. Qd1+ Ke4 58. Qd5+ Kf4 59. Qd4+ |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 105 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. Nge2 Ng4 14. Qxd8+ Rxd8 15. O-O Bc6 16. Bb5 Bxb5 17. Nxb5 b6 18. b4 Bxf2+ 19. Rxf2 Nxf2 20. Kxf2 a5 21. Nc7+ Kf8 22. bxa5 bxa5 23. Rc5 Ke7 24. Rxa5 Kd6 25. Ra7 Rd7 26. Nc3 f6 27. Ke3 Rhd8 28. N3d5 Kc6 29. Ra6+ Kb7 30. Rb6+ Kc8 31. Ne6 Rh8 32. a4 f5 33. g3 Re8 34. a5 h6 35. Nc5 fxe4 36. Nxd7 Kxd7 37. a6 h5 38. Kxe4 Ra8 39. Rb7+ Kd6 40. Rxg7 Rc8 41. Rg6+ Kc5 42. a7 h4 43. Nb6 Rd8 44. a8=Q Rxa8 45. Nxa8 hxg3 46. h4 Kb4 47. Rxg3 Kc4 48. h5 Kb4 49. h6 Kc5 50. h7 Kb4 51. h8=Q Kc4 52. Qb8 Kc5 53. Rc3# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 79 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nb5 g5 15. Qxg5 Bxf2+ 16. Kf1 Qa5 17. bxa5 Ng4 18. Nc7+ Kf8 19. Nxa8 f6 20. Qh5 Bd4 21. Nf3 Ne3+ 22. Kg1 Rg8 23. g3 Rg7 24. Nxd4 exd4 25. Qc5+ Kg8 26. Qxd4 Ng4 27. Qxa7 Kh8 28. Rc7 Ne5 29. Rxb7 Rf7 30. Nb6 Be8 31. Rxf7 Bxf7 32. Qb8+ Kg7 33. a6 h6 34. a7 Nc6 35. Qc7 Nxa7 36. Bc4 h5 37. Qxf7+ Kh6 38. Qxf6+ Kh7 39. Nd7 Nc8 40. Nf8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 109 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. Nge2 Ng4 14. Qxd8+ Rxd8 15. O-O Bc6 16. Bb5 Bxb5 17. Nxb5 b6 18. b4 Bxf2+ 19. Rxf2 Nxf2 20. Kxf2 a5 21. Nc7+ Kf8 22. bxa5 bxa5 23. Rc5 Ke7 24. Rxa5 Kd6 25. Nd5 Ra8 26. Rb5 Rxa3 27. Ne3 Ra2 28. Nc4+ Ke6 29. Rxe5+ Kf6 30. Rf5+ Ke7 31. Rc5 Rd8 32. Ke3 f6 33. Nf4 Rc2 34. Kf3 Rd7 35. Nd5+ Kd8 36. Nb4 Rc3+ 37. Kg4 Rb3 38. Nd5 Ke8 39. e5 fxe5 40. Nxe5 Rd8 41. Ra5 Kf8 42. Nf4 Re8 43. Nd7+ Kg8 44. Ra7 Rb4 45. g3 Rb2 46. h4 Rc2 47. Rb7 Re4 48. Rb8+ Kf7 49. Kf5 Rd4 50. Ne5+ Ke7 51. Rb7+ Ke8 52. Rxg7 Rcc4 53. Ne6 Rxh4 54. Nxc4 Rg4 55. Nd6# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 85 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 Bc5 13. b4 Bd4 14. Nf3 Rc8 15. Nxd4 exd4 16. Ne2 Rxc1+ 17. Nxc1 Ng4 18. Qxd8+ Kxd8 19. Nb3 Ne5 20. Kd2 f5 21. Nxd4 fxe4 22. Bxe4 b6 23. Rc1 Rf8 24. f3 Rf6 25. Ke3 h6 26. Bb7 Rd6 27. Ke4 Ng6 28. Rc4 Ne7 29. f4 Ke8 30. Ke5 Rf6 31. g3 Kd8 32. Be4 a5 33. bxa5 bxa5 34. f5 Ke8 35. Rc7 Kd8 36. Rb7 Ke8 37. Ne6 Rf7 38. Rb8+ Bc8 39. Ra8 Kd7 40. g4 h5 41. g5 a4 42. f6 Ba6 43. Rd8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 103 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 b6 13. Nf3 Rc8 14. Nxe5 Bd6 15. Nxd7 Nxd7 16. Qxd8+ Rxd8 17. Nd5 O-O 18. b4 Rfe8 19. O-O Ne5 20. Bb5 Re6 21. f4 Ng4 22. h3 Nh6 23. e5 Be7 24. Rfd1 Kh8 25. Nxe7 Rxd1+ 26. Rxd1 Rxe7 27. Rd8+ Ng8 28. g3 g6 29. Kg2 Rc7 30. Kf3 Kg7 31. Ke4 Ne7 32. Rd7 Rxd7 33. Bxd7 a6 34. g4 Kh6 35. Be8 Kg7 36. f5 gxf5+ 37. gxf5 Kg8 38. Bd7 Kf8 39. h4 a5 40. bxa5 bxa5 41. h5 Ng6 42. hxg6 hxg6 43. fxg6 fxg6 44. e6 Ke7 45. Ke5 g5 46. a4 g4 47. Bc6 Kd8 48. Kd6 Kc8 49. e7 Kb8 50. e8=Q+ Ka7 51. Qe7+ Kb8 52. Qc7# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 105 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 b6 13. Nf3 Rc8 14. Nxe5 Bd6 15. Nxd7 Nxd7 16. Qxd8+ Rxd8 17. Nd5 O-O 18. b4 Rc8 19. O-O Ne5 20. Be2 Rfe8 21. Rxc8 Rxc8 22. f4 Ng6 23. e5 Bf8 24. Rd1 Rc2 25. Kf1 Nh4 26. g3 Ng6 27. h4 Ra2 28. Rd3 Ne7 29. Nxe7+ Bxe7 30. Rd7 Ra1+ 31. Kf2 Kf8 32. Rc7 g5 33. hxg5 Rxa3 34. Bh5 a6 35. f5 Ra2+ 36. Kf3 Bxb4 37. Ke4 Ke8 38. Rxf7 Kd8 39. Rxh7 Ra4 40. Rh8+ Kc7 41. Bd1 Ra1 42. Rh7+ Kd8 43. Rh1 Ra3 44. Rh8+ Kd7 45. Rh7+ Ke8 46. Bh5+ Kf8 47. f6 Kg8 48. g6 Rb3 49. f7+ Kf8 50. g7+ Ke7 51. f8=Q+ Kd7 52. g8=Q+ Kc6 53. Qd5# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 125 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 b6 13. Nf3 Rc8 14. Nxe5 Bd6 15. Nxd7 Nxd7 16. Qxd8+ Rxd8 17. Nd5 O-O 18. b4 f5 19. exf5 Ne5 20. Be4 Rfe8 21. Ne3 a5 22. O-O axb4 23. axb4 Bxb4 24. Rc7 Rd4 25. Bd5+ Kh8 26. Rb1 Bc5 27. Be6 Red8 28. Ra1 Rd3 29. f6 gxf6 30. Raa7 R3d7 31. Bxd7 Bd6 32. Rc8 Rxc8 33. Bxc8 Nc6 34. Rf7 Ne5 35. Rxf6 Bc5 36. Rf5 Bd4 37. Rh5 Ng6 38. Kf1 Bc5 39. Bd7 Ne7 40. Nf5 Nd5 41. Rg5 Nf4 42. f3 Bf8 43. g3 h6 44. Rg4 Nd3 45. f4 Nc5 46. Be8 Kh7 47. Rg6 b5 48. Rf6 Bg7 49. Rf7 Ne6 50. Re7 b4 51. Rxe6 Bf8 52. Bg6+ Kh8 53. Ke1 h5 54. Ke2 Kg8 55. h4 Bg7 56. Nxg7 Kxg7 57. f5 b3 58. Rb6 b2 59. Bxh5 Kf8 60. f6 b1=Q 61. Rxb1 Kg8 62. Bg6 Kf8 63. Rb8# |
| ECO A45 in 2008 play it! ziegler defeats black's johnson by checkmate in 87 moves | 1. d4 Nf6 2. a3 d5 3. c4 dxc4 4. Nc3 c5 5. Qa4+ Bd7 6. Qxc4 cxd4 7. Qxd4 Nc6 8. Qh4 e5 9. e4 Nd4 10. Bd3 Nb3 11. Rb1 Nxc1 12. Rxc1 b6 13. Nf3 Rc8 14. Nxe5 Bd6 15. Nxd7 Nxd7 16. Qxd8+ Rxd8 17. O-O O-O 18. Nd5 Nc5 19. Bc2 f5 20. exf5 Rxf5 21. Bxf5 Bxh2+ 22. Kxh2 Rxd5 23. Bb1 Rh5+ 24. Kg3 Kf7 25. b4 Ne6 26. Rfd1 Ke7 27. Bd3 Rg5+ 28. Kf3 h6 29. Re1 Kd6 30. Re4 Rd5 31. Ke3 Ng5 32. Rd4 Rxd4 33. Kxd4 a5 34. f4 Ne6+ 35. Ke4 axb4 36. axb4 g5 37. f5 Nf4 38. Bb5 Nxg2 39. Rc6+ Ke7 40. f6+ Kd8 41. Rd6+ Kc8 42. f7 Ne3 43. f8=Q+ Kc7 44. Rd7# |